CA2054751C - Television signal detection apparatus - Google Patents

Television signal detection apparatus

Info

Publication number: CA2054751C
Authority: CA; Canada
Prior art keywords: receiver; signal; phase; synchronization signal; line
Prior art date: 1989-05-03
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

CA002054751A

Other languages

English (en)

French (fr)

Other versions

CA2054751A1 (en

Inventor

Lawrence Tyson

David Fisher

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1989-05-03

Filing date

1990-05-03

Publication date

1998-07-07

1990-05-03 Application filed by Individual filed Critical Individual

1990-11-04 Publication of CA2054751A1 publication Critical patent/CA2054751A1/en

1998-07-07 Application granted granted Critical

1998-07-07 Publication of CA2054751C publication Critical patent/CA2054751C/en

2010-05-03 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000001514 detection method Methods 0.000 title claims description 4
238000000034 method Methods 0.000 claims abstract description 4
238000000926 separation method Methods 0.000 claims description 4
239000002131 composite material Substances 0.000 description 3
230000004048 modification Effects 0.000 description 3
238000012986 modification Methods 0.000 description 3
239000003990 capacitor Substances 0.000 description 1
239000013256 coordination polymer Substances 0.000 description 1
238000010586 diagram Methods 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Television Systems (AREA)
Circuits Of Receivers In General (AREA)
Details Of Television Scanning (AREA)
Radar Systems Or Details Thereof (AREA)
Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Alarm Systems (AREA)
Selective Calling Equipment (AREA)
Stereo-Broadcasting Methods (AREA)
Closed-Circuit Television Systems (AREA)

CA002054751A 1989-05-03 1990-05-03 Television signal detection apparatus Expired - Fee Related CA2054751C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB8910071.3		1989-05-03
GB898910071A GB8910071D0 (en)	1989-05-03	1989-05-03	Television signal detection apparatus

Publications (2)

Publication Number	Publication Date
CA2054751A1 CA2054751A1 (en)	1990-11-04
CA2054751C true CA2054751C (en)	1998-07-07

Family

ID=10656094

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002054751A Expired - Fee Related CA2054751C (en)	1989-05-03	1990-05-03	Television signal detection apparatus

Country Status (10)

Country	Link
US (1)	US5294977A (de)
EP (1)	EP0470992B1 (de)
AT (1)	ATE112917T1 (de)
AU (1)	AU644789B2 (de)
CA (1)	CA2054751C (de)
DE (1)	DE69013341T2 (de)
DK (1)	DK0470992T3 (de)
ES (1)	ES2064731T3 (de)
GB (1)	GB8910071D0 (de)
WO (1)	WO1990013974A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6675383B1 (en)	1997-01-22	2004-01-06	Nielsen Media Research, Inc.	Source detection apparatus and method for audience measurement
CN1505291A (zh) *	1998-05-12	2004-06-16	��ѷý��о��ɷ��޹�˾	数字电视的观众测定系统
US7444663B2 (en)	1998-12-31	2008-10-28	Lodgenet Interactive Corporation	Menuing system for controlling content delivery within a video distribution system
US7000243B1 (en)	1998-12-31	2006-02-14	Oncommand Corporation	Allocating computer resources within a video distribution system
US20030131350A1 (en)	2002-01-08	2003-07-10	Peiffer John C.	Method and apparatus for identifying a digital audio signal
US8959016B2 (en)	2002-09-27	2015-02-17	The Nielsen Company (Us), Llc	Activating functions in processing devices using start codes embedded in audio
US9711153B2 (en)	2002-09-27	2017-07-18	The Nielsen Company (Us), Llc	Activating functions in processing devices using encoded audio and detecting audio signatures
US7222071B2 (en) *	2002-09-27	2007-05-22	Arbitron Inc.	Audio data receipt/exposure measurement with code monitoring and signature extraction
US20060167458A1 (en) *	2005-01-25	2006-07-27	Lorenz Gabele	Lock and release mechanism for a sternal clamp
US9015740B2 (en)	2005-12-12	2015-04-21	The Nielsen Company (Us), Llc	Systems and methods to wirelessly meter audio/visual devices
CN106877957B (zh) *	2005-12-12	2019-08-27	尼尔逊媒介研究股份有限公司	在家庭中收集媒体的方法、设备和系统
WO2007146876A2 (en)	2006-06-15	2007-12-21	The Nielsen Company	Methods and apparatus to meter content exposure using closed caption information
US8019162B2 (en) *	2006-06-20	2011-09-13	The Nielsen Company (Us), Llc	Methods and apparatus for detecting on-screen media sources
US9124769B2 (en)	2008-10-31	2015-09-01	The Nielsen Company (Us), Llc	Methods and apparatus to verify presentation of media content
US9426543B1 (en) *	2015-12-18	2016-08-23	Vuclip (Singapore) Pte. Ltd.	Server-based video stitching

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4057829B1 (en) *	1973-12-18	1995-07-25	Spectradyne Inc	Communication TV monitoring and control system
US4115807A (en) *	1976-07-19	1978-09-19	Pires H George	Telephone billing apparatus for a subscription television system
DE3401762A1 (de) *	1984-01-19	1985-08-01	FSG Fernseh - System - Gesellschaft mbH, 8042 Oberschleißheim	Anlage zur erfassung des betriebszustandes von fernsehgeraeten
AU7061487A (en) *	1986-03-26	1987-10-01	Nowosielski, J.	Tv channel monitor for television receivers and/or video recorders
FR2628588A1 (fr) *	1988-03-14	1989-09-15	Croquet Cie	Procede et systeme d'acquisition et de transmission d'informations sur l'audience de programmes televises

1989
- 1989-05-03 GB GB898910071A patent/GB8910071D0/en active Pending
1990
- 1990-05-03 US US07/775,938 patent/US5294977A/en not_active Expired - Fee Related
- 1990-05-03 CA CA002054751A patent/CA2054751C/en not_active Expired - Fee Related
- 1990-05-03 AU AU55323/90A patent/AU644789B2/en not_active Ceased
- 1990-05-03 EP EP90907206A patent/EP0470992B1/de not_active Expired - Lifetime
- 1990-05-03 DK DK90907206.8T patent/DK0470992T3/da active
- 1990-05-03 AT AT90907206T patent/ATE112917T1/de not_active IP Right Cessation
- 1990-05-03 ES ES90907206T patent/ES2064731T3/es not_active Expired - Lifetime
- 1990-05-03 WO PCT/GB1990/000687 patent/WO1990013974A1/en not_active Ceased
- 1990-05-03 DE DE69013341T patent/DE69013341T2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
AU644789B2 (en)	1993-12-23
US5294977A (en)	1994-03-15
AU5532390A (en)	1990-11-29
EP0470992A1 (de)	1992-02-19
EP0470992B1 (de)	1994-10-12
GB8910071D0 (en)	1989-06-21
CA2054751A1 (en)	1990-11-04
DE69013341D1 (de)	1994-11-17
WO1990013974A1 (en)	1990-11-15
DE69013341T2 (de)	1995-03-23
ATE112917T1 (de)	1994-10-15
ES2064731T3 (es)	1995-02-01
DK0470992T3 (da)	1994-12-27

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Legal Events

Date	Code	Title	Description
1994-06-28	EEER	Examination request
2003-05-05	MKLA	Lapsed
2022-09-10	MKLA	Lapsed	Effective date: 20030505